Switch between WET 3 and WET 4 classes

This tool converts WET 3 classes to WET 4 classes, or WET 4 classes back to WET 3 classes.

File to convert:

Optional conversions:
Switch "align-center" (WET 3) and "text-center" or "center-block" (WET 4) classes depending on tag
Switch between "span-[1-6]" (WET 3) and "col-md-[2-12]" (WET 4) classes

WET version to convert to:

Before using the tool, make sure that the HTML document uses double quotes (e.g. "x") instead of single quotes (e.g. 'x') for tag attributes.

Note that this tool only performs one-to-one replacements; you should do circumstantial replacements manually.

More in-depth information can be found in the readme.